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Hindustan Zinc Limited (HZL) is an Indian integrated mining and resources producer of zinc, lead, silver and cadmium.It is a subsidiary of Vedanta Limited. [4] Earlier it was a Central Public Sector Undertaking, sold by Government of India to Vedanta Limited when Atal Bihari Vajpayee and Bharatiya Janta Party Government was in power in the year 2003.
Rampura Agucha deposits were discovered in August 1977 by T. C. Rampuria, a geologist with the Government of India's Directorate of Mines and Geology. Hindustan Zinc Limited (HZL) started drilling in February 1980 and a report regarding the estimate of the deposit was submitted in 1981. [3]
Zawar is a township created by mining company Hindustan Zinc Limited, for extraction of zinc and lead. An 80 MW power plant provides electricity for mining zinc and lead from three major mines. There is also a large football stadium which annually hosts a national soccer tournament in January.
Vedanta Resources Limited is a diversified mining company headquartered in London, United Kingdom. It is the largest mining and non-ferrous metals company in India and has mining operations in Australia and Zambia [ 4 ] and oil and gas operations in three countries.
In 2001, he acquired 51 percent in Bharat Aluminium Company (BALCO) for an amount of INR 551.50 crore, [17] a public sector undertaking; in the very next year, he acquired a majority stake (nearly 65 per cent) in state-run HZL(Hindustan Zinc Limited). Both the companies were considered sleepy and inefficient mining firms. [18]
In June 2009, Sesa Goa Limited acquired [16] VS Dempo & Co. Private Limited (now Sesa Resources Limited) along with its fully owned subsidiary Dempo Mining Corporation (now Vedanta Limited) and 50% equity in Goa Maritime Private Limited. In 2010, Vedanta acquired the zinc assets of British miner Anglo American plc.
Chanderiya Smelter Complex is the world's largest lead-zinc smelter complex [1] in the Chittorgarh district of Rajasthan state of India. It is metallurgical type plant. The original complex was built from 1989 and commissioned in 1991. [2] It refines lead-zinc ore from Rampura Agucha. It produces zinc, lead, cadmium and other precious metals. [2]
A plug was placed in the shaft to separate the old operating portion from new construction. The slurry got stuck over this shaft plug. Material accumulated for until the weight overwhelmed the plug. The accumulated material flowed through the haulage level and took the shortest path via the main shaft into the mine. All 13 miners in the mine ...